Lines Matching defs:pdec
60 static void build_subblock_pattern(struct pwc_dec23_private *pdec)
81 pdec->table_subblock[i][j] = temp_values[j];
87 static void build_bit_powermask_table(struct pwc_dec23_private *pdec)
95 p = pdec->table_bitpowermask[bit];
161 static void fill_table_dc00_d800(struct pwc_dec23_private *pdec)
170 pdec->table_dc00[i] = offset1 & ~(ONE_HALF);
171 pdec->table_d800[i] = offset2;
280 struct pwc_dec23_private *pdec;
283 pdec = kmalloc(sizeof(struct pwc_dec23_private), GFP_KERNEL);
284 if (pdec == NULL)
286 pwc->decompress_data = pdec;
288 pdec = pwc->decompress_data;
293 pdec->nbits = 7; /* More bits, mean more bits to encode the stream, but better quality */
295 pdec->nbits = 8;
297 pdec->nbits = 6;
300 build_table_color(KiaraRomTable[version][0], pdec->table_0004_pass1, pdec->table_8004_pass1);
301 build_table_color(KiaraRomTable[version][1], pdec->table_0004_pass2, pdec->table_8004_pass2);
307 pdec->nbits = 7;
309 pdec->nbits = 8;
311 pdec->nbits = 6;
314 build_table_color(TimonRomTable[version][0], pdec->table_0004_pass1, pdec->table_8004_pass1);
315 build_table_color(TimonRomTable[version][1], pdec->table_0004_pass2, pdec->table_8004_pass2);
319 shift = 8 - pdec->nbits;
320 pdec->scalebits = SCALEBITS - shift;
321 pdec->nbitsmask = 0xFF >> shift;
323 fill_table_dc00_d800(pdec);
324 build_subblock_pattern(pdec);
325 build_bit_powermask_table(pdec);
568 #define fill_nbits(pdec, nbits_wanted) do { \
569 while (pdec->nbits_in_reservoir<(nbits_wanted)) \
571 pdec->reservoir |= (*(pdec->stream)++) << (pdec->nbits_in_reservoir); \
572 pdec->nbits_in_reservoir += 8; \
576 #define skip_nbits(pdec, nbits_to_skip) do { \
577 pdec->reservoir >>= (nbits_to_skip); \
578 pdec->nbits_in_reservoir -= (nbits_to_skip); \
581 #define get_nbits(pdec, nbits_wanted, result) do { \
582 fill_nbits(pdec, nbits_wanted); \
583 result = (pdec->reservoir) & ((1U<<(nbits_wanted))-1); \
584 skip_nbits(pdec, nbits_wanted); \
587 #define __get_nbits(pdec, nbits_wanted, result) do { \
588 result = (pdec->reservoir) & ((1U<<(nbits_wanted))-1); \
589 skip_nbits(pdec, nbits_wanted); \
592 #define look_nbits(pdec, nbits_wanted) \
593 ((pdec->reservoir) & ((1U<<(nbits_wanted))-1))
598 static void decode_block(struct pwc_dec23_private *pdec,
606 fill_nbits(pdec, 16);
607 __get_nbits(pdec, pdec->nbits, primary_color);
609 if (look_nbits(pdec,2) == 0) {
610 skip_nbits(pdec, 2);
613 pdec->temp_colors[i] = pdec->table_dc00[primary_color];
620 pdec->temp_colors[i] = pdec->table_d800[primary_color];
622 __get_nbits(pdec, 3, channel_v);
640 fill_nbits(pdec, 16);
641 htable_idx = look_nbits(pdec, 6);
645 skip_nbits(pdec, 2);
652 skip_nbits(pdec, 3);
654 __get_nbits(pdec, 4, yyyy);
659 __get_nbits(pdec, nbits+1, col1);
662 mask = pdec->table_bitpowermask[nbits][col1];
666 block = pdec->table_subblock[rows];
668 pdec->temp_colors[i] += block[MulIdx[offset1][i]];
680 block = pdec->table_subblock[rows];
682 pdec->temp_colors[i] += block[MulIdx[offset1][i]];
685 skip_nbits(pdec, shift);
692 static void DecompressBand23(struct pwc_dec23_private *pdec,
704 pdec->reservoir = 0;
705 pdec->nbits_in_reservoir = 0;
706 pdec->stream = rawyuv + 1; /* The first byte of the stream is skipped */
708 get_nbits(pdec, 4, compression_index);
713 ptable0004 = pdec->table_0004_pass1[compression_index];
714 ptable8004 = pdec->table_8004_pass1[compression_index];
718 decode_block(pdec, ptable0004, ptable8004);
719 copy_image_block_Y(pdec->temp_colors, planar_y, real_image_width, pdec->scalebits);
727 ptable0004 = pdec->table_0004_pass2[compression_index];
728 ptable8004 = pdec->table_8004_pass2[compression_index];
732 decode_block(pdec, ptable0004, ptable8004);
733 copy_image_block_CrCb(pdec->temp_colors, planar_u, real_image_width/2, pdec->scalebits);
735 decode_block(pdec, ptable0004, ptable8004);
736 copy_image_block_CrCb(pdec->temp_colors, planar_v, real_image_width/2, pdec->scalebits);
757 static void DecompressBandBayer(struct pwc_dec23_private *pdec,
768 pdec->reservoir = 0;
769 pdec->nbits_in_reservoir = 0;
770 pdec->stream = rawyuv + 1; /* The first byte of the stream is skipped */
772 get_nbits(pdec, 4, compression_index);
777 ptable0004 = pdec->table_0004_pass1[compression_index];
778 ptable8004 = pdec->table_8004_pass1[compression_index];
783 decode_block(pdec, ptable0004, ptable8004);
784 copy_image_block_RedBlue(pdec->temp_colors, rgbbayer, real_image_width, pdec->scalebits);
792 ptable0004 = pdec->table_0004_pass2[compression_index];
793 ptable8004 = pdec->table_8004_pass2[compression_index];
797 decode_block(pdec, ptable0004, ptable8004);
798 copy_image_block_Green(pdec->temp_colors, rgbbayer+1, real_image_width, pdec->scalebits);
800 decode_block(pdec, ptable0004, ptable8004);
801 copy_image_block_Green(pdec->temp_colors, rgbbayer+real_image_width, real_image_width, pdec->scalebits);